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Old 15 October 2008, 17:10   #1
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Country: Sweden
Town: Stockholm
Make: KR7
Length: 7m +
Engine: Evinrude 150 H.O
Join Date: Aug 2005
Posts: 735
Consumtion and engine choise?

http://www.billmunsonboats.com/
(i know itīs not rib related) But the consumtion is probably interesting for everyone who click this thread.

We have plans for one or two workboats for transportation of materials and smaller machines. In the archipelago of stockholm. 99% inshore.

First boat is 24-26f (mono or multihull)
Two outboard engines
115
150
175



Second boat is 34-36f (mono or multihull)
Two outboard engines
150
175
or up to 250

Two diesel engines
D3 200
D6 350

I understand the consumtion depends on weight of boat but if we say a empty boat and a full loaden boat.

How much fuel each hour for each engine/boatchoise?
How much fuel each NM?
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Old 15 October 2008, 18:17   #2
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Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
Quote:
Originally Posted by joakimhansson View Post
http://www.billmunsonboats.com/
(i know itīs not rib related) But the consumtion is probably interesting for everyone who click this thread.

We have plans for one or two workboats for transportation of materials and smaller machines. In the archipelago of stockholm. 99% inshore.

First boat is 24-26f (mono or multihull)
Two outboard engines
115
150
175



Second boat is 34-36f (mono or multihull)
Two outboard engines
150
175
or up to 250

Two diesel engines
D3 200
D6 350

I understand the consumtion depends on weight of boat but if we say a empty boat and a full loaden boat.

How much fuel each hour for each engine/boatchoise?
How much fuel each NM?
At least specify engine brands, 2 or 4 strokes to start with something.
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Old 15 October 2008, 18:44   #3
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Country: Sweden
Town: Stockholm
Make: KR7
Length: 7m +
Engine: Evinrude 150 H.O
Join Date: Aug 2005
Posts: 735
Ops...Suzuki 4-stroke!
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Old 15 October 2008, 19:17   #4
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Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
Quote:
Originally Posted by joakimhansson View Post
Ops...Suzuki 4-stroke!
2 strokes carbed engines will consume about 12 % of it's rated HP in gallons per hour work at full throttle, 4 strokes 30% less compared to 2 strokes. Etecs, TLDI are more gas efficient than carbed 4 strokes engines. Will also depend on the type of hull, water conditions, wind, boat weight, propeller etc. Better ask a Suzuki distributor, as this info is in the tech service manuals.

Happy Boating
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Old 15 October 2008, 22:37   #5
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Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
Have a look at Boston Whaler's website - loads of perfromance data but all Mercury I think.

http://www.whaler.com/site_media/Per...rmancedata.pdf
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Old 16 October 2008, 13:51   #6
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Country: USA
Town: Seattle
Boat name: Water Dog
Make: Polaris
Length: 4m +
Engine: Yamaha 60hp
Join Date: Apr 2007
Posts: 1,152
Try a polite inquiry with the owners of the aluminator (shown on the website)
http://aluminatorwatertaxi.com/default.aspx
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